CN204659921U

CN204659921U - Portable electric bicycle

Info

Publication number: CN204659921U
Application number: CN201520151887.4U
Authority: CN
Inventors: 庞明方
Original assignee: Taicang Chezhongbao Leisure Products Co Ltd
Current assignee: Taicang Chezhongbao Leisure Products Co Ltd
Priority date: 2015-03-17
Filing date: 2015-03-17
Publication date: 2015-09-23
Anticipated expiration: 2025-03-17

Abstract

A kind of portable electric bicycle, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, two trailing wheels, man power driving mechanism and electric drive system, side arm is by front pipe fitting, down tube, first engaging lug and the second engaging lug are welded, vehicle body is by front-axle beam pipe, back rest pipe, seat and panel is driven to be formed by connecting, drive on seat and have fix shaft, clutch shaft bearing, second bearing and the 3rd bearing are formed, front-axle beam pipe is connected with the first engaging lug, folding connecting rod is connected with the second engaging lug and front-axle beam pipe, front fork and front head tube, front-wheel and V-shaped folding hand are being connected, man power driving mechanism is by treadle, oval circle, step, crank teeth wheels, secondary gear wheels, hind axle and hind axle gear are interconnected, and be installed on driving seat, left rear wheel is fastened to the left head of hind axle, off hind wheel is socketed on the right head of hind axle, electric drive system comprises motor, battery, controller and master cock.

Description

Portable electric bicycle

Technical field:

The utility model relates to a kind of bipod and to stand the battery-driven car of riding, particularly a kind of portable electric bicycle.

Technical background:

The electric bicycle that the design people formerly designed, solving stands the problem such as to ride, but due to reasons such as structures, littlely not folding, outward appearance is also unsatisfactory, always allows people have a kind of not perfect sorry sensation.

Utility model content:

The purpose of this utility model to provide a kind of structure advantages of simple more, smaller and more exquisite and more portable after folding---portable electric bicycle.

The purpose of this utility model is achieved in that portable electric bicycle, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, two trailing wheels, man power driving mechanism and electric drive system, it is characterized in that: side arm comprises front pipe fitting, down tube, first engaging lug and the second engaging lug, front pipe fitting is the blank of the aluminium section bar that a rectangular tube is connected with a pipe parallel integral, the bottom of the rectangular tube of front pipe fitting is provided with backing, the top of the rectangular tube of front pipe fitting is provided with cover plate, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front pipe fitting pipe, second engaging lug is welded in the top at down tube and front pipe fitting welding place, vehicle body is by front-axle beam pipe, back rest pipe, seat and panel is driven to form, front-axle beam pipe is the front end horizontal welding first pipe circle of a rectangular tube, the second pipe circle is welded in the top of rectangular tube front portion, back rest pipe is that the front end of a rectangular tube connects rectangle pipe clamp, the pore of back rest pipe rectangular tube is corresponding with the external diameter of front-axle beam pipe rectangular tube, the upper side welding of back rest pipe rectangular tube rear end drives seat, drive seat by driving pedestal, fix shaft, two clutch shaft bearings, two second bearings and two the 3rd bearings are formed, driving pedestal is that the sliced pieces of Al squeezing material processes, the front portion of pedestal is driven to have the first hole, the back upper place in pedestal first hole is driven to have the second hole, the rear in pedestal first hole is driven to have the 3rd hole, the back lower place in pedestal first hole is driven to have the 4th hole, reaming is carried out in the left and right sides in the first hole driving pedestal, the left and right sides in the first hole of driving pedestal is made to become the first counterbore inlaying clutch shaft bearing, reaming is carried out in the left and right sides in the 3rd hole driving pedestal, the left and right sides in the 3rd hole of driving pedestal is made to become the second counterbore inlaying the second bearing, reaming is carried out in the left and right sides in the 4th hole driving pedestal, the left and right sides in the 4th hole of driving pedestal is made to become the 3rd counterbore inlaying the 3rd bearing, fix shaft close-fitting is pressed in the second hole driving pedestal, by the upside driving pedestal to be welded in back rest pipe rectangular tube rear end, two clutch shaft bearings are embedded in two first counterbores, two second bearings are embedded in two second counterbores, two the 3rd bearings are embedded in two the 3rd counterbores, the rear end of front-axle beam pipe rectangular tube penetrates in the pore of back rest pipe rectangular tube front end, tighten the band handle bolt on back rest pipe rectangle pipe clamp, back rest pipe is fixedly connected with front-axle beam pipe, back rest pipe is connected panel with on driving seat, first pipe circle pipe of front-axle beam pipe is connected by rotating with the first engaging lug to lock bolt, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the plastics rod like parts of below respectively with a cross-perforating at front end and rear portion, there is about one through elongated hole at the rear portion of front rod, snap close and little spring are installed in the elongated hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second pipe circle of lock bolt and front-axle beam pipe, ball-headed bolt above rear linking rod can by the snap close interlocking on front rod, front fork and front pipe fitting are rotationally connected, front-wheel is installed on front fork, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in the front fork tube of front fork, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, man power driving mechanism comprises treadle, oval circle, step, crank teeth wheels, secondary gear wheels, hind axle and hind axle gear, crank teeth wheels are by bent axle, prime gear, two flat base bolts and two crankshaft bearinges are formed, bent axle is that the round steel of two right-angle bending and a disk are welded, prime gear is a nylon gear, the boss that the right flank of prime gear has one to correspond to two front bearing endoporus, the boss of prime gear there is the groove corresponding to bent axle round steel, the boss of prime gear penetrates from left to right in the endoporus of two clutch shaft bearings, the left head of bent axle penetrates left in the axis hole of prime gear, again two flat base spiral shells are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, secondary gear wheels are by secondary gear, minor axis and tooth flywheel are formed, minor axis penetrates in the endoporus of two second bearings, secondary gear is fastened to the left head of minor axis, tooth flywheel is fastened to the right head of minor axis, hind axle penetrates from left to right in the endoporus of two the 3rd bearings, hind axle gear is fastened to the right part of hind axle, left rear wheel is fastened to the left head of hind axle, off hind wheel is socketed on the right head of hind axle by the two bearings of core wheel, two treadle turning sets are connected to two of fix shaft, two oval lap weldings are connected to the below at two treadle rear portions, oval circle is the bending Long Circle circle of sheetmetal of flat strip shaped, two oval circles are slidably socketed on two crankshaft bearinges of crank teeth wheels, two steps are fastened to the front end of two treadles, electric drive system comprises motor, battery, controller and master cock, and motor is arranged at front-wheel, and battery and controller are all placed in the rectangular tube of front pipe fitting.

The invention has the beneficial effects as follows: vehicle body of the present invention adopts front-axle beam pipe and back rest pipe to be slidably socketed and the mode that can lock, make the present invention can fold less, vehicle body of the present invention adopts the upper side welding of back rest pipe rear end to drive seat, and adopt back rest pipe to be connected panel with on driving seat, man power driving mechanism of the present invention is hidden under panel and between two trailing wheels dexterously, makes profile of the present invention more attractive in appearance and succinct; Man power driving mechanism adopts the cooperation of crank teeth wheels, secondary gear wheels, hind axle and hind axle gear, and be installed on and drive on seat, make to coordinate between each gear accurate, easy to assembly, oval circle is welded in the below of the treadle front portion of man power driving mechanism, make the assembly of man power driving mechanism less, structure is simpler; Treadle adopts horizontal wavy bending, allows two steps of two treadle front ends at a distance of nearer, makes the moment swung of bipod override type less, makes the shelves of opening of two trailing wheels of the present invention can be less, thus makes vehicle body of the present invention smaller and more exquisite, more convenient to carry; Motor is arranged at front-wheel, battery and controller and is all placed in the rectangular tube of front pipe fitting, allow motor wheel from power supply more close to, circuit line is more saved.

Accompanying drawing illustrates:

Fig. 1 is structural representation of the present invention.

Fig. 2 is back rest pipe of the present invention and the organigram driving seat.

Fig. 3 is the structural representation of folding connecting rod of the present invention.

Fig. 4 is that hand of the present invention is the organigram of pedestal.

Fig. 5 is the structural representation of the left lock-connecting piece of the present invention and right lock-connecting piece.

Fig. 6 is the structural representation of crank teeth wheels of the present invention, secondary gear wheels, hind axle and hind axle gear.

Fig. 7 is that V-shaped folding hand of the present invention is folding rear schematic diagram.

Fig. 8 is folding process schematic diagram of the present invention.

Fig. 9 is that the present invention folds complete figure.

In figure: 1---side arm, 2---vehicle body, 3---folding connecting rod, 4---front fork, 5---V-shaped folding hand handle, 6---front-wheel, 7---two trailing wheels, 8---man power driving mechanism, 9---electric drive system; Wherein side arm 1 also comprises: 11---front pipe fitting, and 12---down tube, 13---the first engaging lug, 14---the second engaging lug; Vehicle body 2 also comprises: 21---front-axle beam pipe, and 22---back rest pipe, 23---drive seat, 24---panel; Seat 23 is driven also to comprise: 231---drive pedestal, 232---fix shaft, 233---clutch shaft bearing, 234---the second bearing, 235---the 3rd bearing; Folding connecting rod 3 also comprises: 31---front rod, and 32---rear linking rod, 33---snap close, 34---little spring, 35---ball-headed bolt; V-shaped folding hand also comprises 5: 51---hand pedestal, 52---left hand handle, 53---right handgrip, 54---left lock-connecting piece, 55---right lock-connecting piece; Left lock-connecting piece 54 also comprises: 541---plagiocephaly barrel, and 542---round head bolt, 543---nut; Right lock-connecting piece 55 also comprises: 551---channel, and 552---latch hook, 553---to connecting bolt, 554---spring, 555---dowel bolt; Man power driving mechanism 8 also comprises: 81---treadle, and 82---step, 83---crank teeth wheels, 84---secondary gear wheels, 85---hind axle, 86---hind axle gear; Electric drive system 9 also comprises: 91---motor, and 92---battery, 93---controller, 94---master cock; Master cock 94 also comprises: 941---speed control crank, and 942---power-off brake lever, 943---Energy control is locked.

Detailed description of the invention:

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, described portable electric bicycle, comprise side arm 1, vehicle body 2, folding connecting rod 3, front fork 4, V-shaped folding hand 5, front-wheel 6, trailing wheel 7, man power driving mechanism 8 and electric drive system 9.

Described side arm 1 comprises front pipe fitting 11, down tube 12, first engaging lug 13 and the second engaging lug 14, described front pipe fitting 11 is the blanks of the aluminium section bar that a rectangular tube is connected with a pipe parallel integral, the bottom of the rectangular tube of described front pipe fitting 11 is provided with backing, the top of the rectangular tube of described front pipe fitting 11 is provided with cover plate, described down tube 12 is rectangular tubes that oblique angle is in the same way cut at a two, the front end Dou Chong of described down tube 12 upper and lower surface has arc opening, the front end of described down tube 12 is welded in the lower end of described front pipe fitting 11 pipe, first engaging lug 13 described in the welding of rear end of described down tube 12, the second described engaging lug 14 is welded in the top of described down tube 12 and described front pipe fitting 11 weld pipe, the first described engaging lug 13 and the second described engaging lug 14, all that the two sides of flute profile have a mutual flute profile blanked part to perforation.

Described vehicle body 2 comprises front-axle beam pipe 21, back rest pipe 22, drive seat 23 and panel 24, described front-axle beam pipe 21 is front end horizontal welding first pipe circles of a rectangular tube, the second pipe circle is welded in the top of rectangular tube front portion, the first described pipe circle and the second described pipe circle, it is the blank of thick-walled tube, described back rest pipe 22 is that the front end of a rectangular tube connects rectangle pipe clamp, described rectangle pipe clamp one metal flat bar strikes out the housing of " song " font of putting upside down, the both sides of described rectangle pipe clamp bottom have one mutual to perforation, what described rectangle pipe clamp was mutual welds a nut to the right side of perforation, what described rectangle pipe clamp was mutual penetrates a band handle bolt to the left side of perforation, be fastened in the mutual nut to perforation right side of described rectangle pipe clamp with handle bolt, the pore of described back rest pipe 22 rectangular tube is corresponding with the external diameter of described front-axle beam pipe 21 rectangular tube, the driving seat 23 described in upper side welding of described back rest pipe 22 rectangular tube rear end, the front connecting piece of the described panel 24 of a connection is respectively welded in the left and right of the top of described back rest pipe 22 rectangular tube front portion, front connecting piece has a hole punching at a headband in outside, described driving seat 23, comprise and drive pedestal 231, fix shaft 232, clutch shaft bearing 233, second bearing 234 and the 3rd bearing 235, described driving pedestal 231 is that the sliced pieces of Al squeezing material processes, there is the first hole the front portion of described driving pedestal 231, there is the second hole the back upper place in described driving pedestal 231 first hole, there is the 3rd hole at the rear in described driving pedestal 231 first hole, there is the 4th hole the back lower place in described driving pedestal 231 first hole, reaming is carried out in the left and right sides in the first hole of described driving pedestal 231, the left and right sides in the first hole of described driving pedestal 231 is made to become the first counterbore inlaying described clutch shaft bearing 233, reaming is carried out in the left and right sides in the 3rd hole of described driving pedestal 231, the left and right sides in the 3rd hole of described driving pedestal 231 is made to become the second counterbore inlaying described second bearing 234, reaming is carried out in the left and right sides in the 4th hole of described driving pedestal 231, the left and right sides in the 4th hole of described driving pedestal 231 is made to become the 3rd counterbore inlaying described 3rd bearing 235, described fix shaft 232 close-fitting is pressed in the second hole of described driving pedestal 231, described fix shaft 232 is the smaller metal circular shafts in bigger two, middle part, a tapped bore is respectively with at the center of described fix shaft 232 two ends end points, described driving pedestal 231 is welded in the upside of described back rest pipe 22 rectangular tube rear end, the back upper place of described driving pedestal 231 is also fixedly connected with the rear connecting piece of the described panel 24 of a connection, rear connecting piece is the bar shaped punching in Ge Daiyi hole, two, clutch shaft bearing 233 described in two is embedded in two first counterbores, described clutch shaft bearing 233 is deep groove ball bearings of 6810 models, the second bearing edge 234 described in two is embedded in two second counterbores, the second described bearing 234 is deep groove ball bearings of 6902 models, the 3rd bearing edge 235 described in two is embedded in two the 3rd counterbores, the 3rd described bearing 235 is deep groove ball bearings of 6902 models, the rear end of described front-axle beam pipe 21 rectangular tube penetrates in the pore of described back rest pipe 22 rectangular tube front end, tighten the band handle bolt on described back rest pipe 22 rectangle pipe clamp, described back rest pipe 22 is fixedly connected with described front-axle beam pipe 21, front connecting piece on described back rest pipe 22, described panel 24 is bolted with the rear connecting piece on described driving seat 23, described panel 24 is that plastics are injection molded, the back upper place of described panel 24 is also connected with locator card, pipe fitting before locator card can fasten after car beam is folding, first pipe circle pipe of described front-axle beam pipe 21 is connected by rotating with the first described engaging lug 13 to lock bolt.

Described folding connecting rod 3 comprises front rod 31, rear linking rod 32, snap close 33, little spring 34 and ball-headed bolt 35, described front rod 31 is that the modification of below respectively with a cross-perforating at front end and rear portion strengthens nylon rod like parts, the rear portion of described front rod 31 has about one to wearing longitudinal elongated hole, the bottom of described front rod 31 elongated hole is connected with the depression of flute profile, snap close 33 and little spring 34 are installed in the elongated hole of described front rod 31, described snap close 33 is by push button, locking plate and tie bolt are formed, push button is the Plastic Parts that the front portion of oval sheet bottom surface has a square-tube-shaped outstanding, the square-tube-shaped that push button is given prominence to puts into the rear end of the elongated hole of front rod downwards, again little spring 34 is put into from bottom to top the elongated hole of described front rod 31, and the front end in the square-tube-shaped that two of little spring 34 is given prominence to against push button and described front rod 31 elongated hole, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate in the hole of locking plate with tie bolt, and be fastened to push button and give prominence in the pore of square-tube-shaped, little spring 34 is made to be positioned the front portion of locking plate, in the front portion of push button and the elongated hole of front rod, locking plate is made to slide in the groove-shaped depression of the bottom of the elongated hole of described front rod 31, the front perforation of described front rod 31 is by being rotationally connected lock bolt and described second engaging lug 14, the rear perforation of described front rod 31 is by being rotationally connected the engaging lug of lock bolt and described rear linking rod 32 front end, described rear linking rod 32 is parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the two sides of described rear linking rod 32 front and back end two engaging lug respectively have one mutual to perforation, the top of described rear linking rod 32 rectangular tube front end is twisted and is connect a ball-headed bolt 35, the engaging lug of described rear linking rod 32 rear end is by being rotationally connected the second pipe circle pipe of lock bolt and described front-axle beam pipe 21, ball-headed bolt 35 above described rear linking rod 32 can be connected to described snap close 33 interlocking on described front rod 31.

Described front fork 4 comprises Y-piece and front fork tube, Y-piece is that circular hole is arranged at top, there are the mutual parts to perforation two lower ends, the circular hole at Y-piece top welds with the lower end of front fork tube, front fork tube is the threaded pipe in top, described front fork 4 by seven bowls and described before pipe fitting 11 be rotatably connected, described front-wheel 6 is installed on the mutual in perforation of described front fork 4 liang of lower ends, and described front-wheel 6 is 6 inches of wheel hub motors wheels.

Described V-shaped folding hand is 5, comprise hand pedestal 51, left hand is 52, right handgrip 53, left lock-connecting piece 54, right lock-connecting piece 55, described hand is made up of pedestal 51 pedestal moulding and interior poling, described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, the bolt that the related both sides, top of described interior poling connect together injection moulding in described pedestal moulding, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the right and left top of described pedestal moulding is U-lag, bottom is flat-bottom slot, the U-lag of the right and left of described pedestal moulding with described left hand corresponding for the caliber of 52 and described right handgrip 53, the both sides of described pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, described hand is poling in pedestal 51, coordinate bowl-type pad, hanging bolt and slope nut, penetrate in the front fork tube of described front fork 4, tighten hanging bolt, slope nut and described hand is made poling in pedestal 51 to be tightened up and misplace, thus make described hand that poling in pedestal 51 is fixedly connected in front fork tube, described left hand is 52 and described right handgrip 53, connected and composed by pipe and cast, described left hand is 52 and the pipe upper bend of described right handgrip 53, described left hand is connected cast 52 with the bottom of described right handgrip 53 pipe.

Described left lock-connecting piece 54 is by a plagiocephaly barrel 541, one round head bolt 542 and a nut 543 are formed, described plagiocephaly barrel 541 is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel 541 and described left hand are the lower weld of 52, twist in the tapped bore of described plagiocephaly barrel 541 and connect described round head bolt 542, the nut 543 connect described in one is also twisted at the stubborn place of connecing of described round head bolt 542 and described plagiocephaly barrel 541, described right lock-connecting piece 55 is by channel 551, latch hook 552, to connecting bolt 553, spring 554 and dowel bolt 555 are formed, described channel 551 is opening flute profiles backward, the right head of described channel 551 is plagiocephaly, the both sides up and down of described channel 551 flute profile left part have mutual to perforation, a tapped bore is had in the middle part of the flute profile of described channel 551, the right head of described channel 551 and the lower weld of described right handgrip 53, mutual perforation is rotationally connected connecting bolt 553 and the collar aperture in the middle part of described latch hook 552 by described in described channel about 551 both sides, described latch hook 552 is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of described latch hook 552 there is an elongated hole, the elongated hole of described latch hook 552 is corresponding with the tapped bore of described channel 551, between the tapped bore that described spring 554 is positioned over described channel 551 and the elongated hole of described latch hook 552, penetrate in spring 554 in the elongated hole of described latch hook 552 He described with described dowel bolt 555, be screwed into again in the tapped bore of described channel 551.

Described left hand is the cast of the cast of 52 and described right handgrip 53, by two to lock bolt, be rotationally connected with respectively described pedestal moulding the right and left mutual to perforation, left hand described in expansion is 52 and described right handgrip 53, the described latch hook 552 of described right lock-connecting piece 55 is under the effect of described spring 554, the described round head bolt 542 of described left lock-connecting piece 54 can be hooked instantaneously, mutual interlocking between described right lock-connecting piece 55 and described left lock-connecting piece 54, the left hand described in realization 52, described right handgrip 53 and described hand be interfixing between pedestal 51.

Described man power driving mechanism 8, comprise treadle 81, oval circle, step 82, crank teeth wheels 83, secondary gear wheels 84, hind axle 85 and hind axle gear 86, described treadle 81 is short pipes of each vertical welding in front and back end one of a flat pipe, the pore tapping of the short pipe in described treadle 82 front end becomes tapped bore, the rear portion of described treadle 81 is pressed into horizontal wavy bending, the spacing of treadle 81 front portion described in two is reduced, oval circle is welded in the bottom surface at described treadle 81 rear portion, described oval circle is the bending Long Circle circle of sheetmetal of flat strip shaped, described treadle about 81 points two, treadle 81 described in two symmetrically shape coordinates, the rear pipe pore of treadle 81 described in two and two of described fix shaft 232 rotate and are socketed, then in the tapped bore at described fix shaft 232 two ends, each use one bolt coordinates stubborn the connecing of a pad wherein to locate, two oval circles are slidably socketed on two crankshaft bearinges of described crank teeth wheels 83, before treadle 81 described in two, the tapped bore of pipe is twisted and is connect two steps 82, described step 82 is pedals of bicycle use, described crank teeth wheels 83 comprise bent axle, prime gear, two flat base bolt and two crankshaft bearinges, described bent axle is that the round steel of two right-angle bending and a disk are welded, the round steel of described bent axle two right-angle bending, a tapped bore is respectively had at the end points center at two ends, the disk of described bent axle there are an axis hole and two connecting bores, the right head of two right-angle bending round steel of described bent axle penetrates from left to right in the axis hole of described bent axle disk, then the middle part of two right-angle bending round steel of described bent axle is welded with the middle part of described bent axle disk left surface, described prime gear is the nylon gear of one or two mould 43 tooth, the boss that the right flank of described prime gear has one to correspond to clutch shaft bearing 233 endoporus described in two, the boss of described prime gear there is the groove corresponding to described bent axle round steel, described prime gear there is the axis hole that runs through left and right side, the left surface of described prime gear has two hexagonal counterbores, two hexagonal counterbores are connected with through hole to the right, a nut is respectively inlayed in two hexagonal counterbores of described prime gear, the boss of described prime gear penetrates from left to right in the endoporus of clutch shaft bearing described in two 233, the left head of described bent axle penetrates left in the axis hole of described prime gear, and win left, again two flat base spiral shells are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, and be fastened to two bolts in the tapped bore of crankshaft two end and locate, described crankshaft bearing is the deep groove ball bearing of 6001 models, described secondary gear wheels 84 are by secondary gear, minor axis and tooth flywheel are formed, described minor axis is the axle of two with forward screw thread, described minor axis penetrates in the endoporus of described two second bearings 234, described secondary gear is the aluminium extruded type gear of two mould 13 teeth, forward screw thread has been attacked in the axle center hole of described secondary gear, described secondary gear is fastened to the left head of described rear axle, described secondary gear coordinates with described prime gears meshing, described tooth flywheel is the tooth flywheel of two mould 26 teeth, forward screw thread is had in the axle center hole of described tooth flywheel, described tooth flywheel is fastened to the right head of described minor axis, described hind axle 85 penetrates from left to right in the endoporus of the 3rd bearing 235 described in two, described hind axle 85 is left head and right part wheel shafts with forward screw thread, there is a tapped bore at the center of described hind axle 85 right-hand member end points, described hind axle gear 86 is fastened to the right part of described hind axle 85, described hind axle gear 86 is aluminium extruded type gears of two mould 13 teeth, forward screw thread has been attacked in the axle center hole of described hind axle gear 86, described hind axle gear 86 and described tooth flywheel engagement fit, the left head that left rear wheel 7 is fastened to hind axle is fixed, described left rear wheel 7 is 8 inches of wheels that core wheel is threaded hole, off hind wheel 7 is socketed on the right head of hind axle by the two bearings of core wheel, and coordinate a pad to be fastened in the tapped bore of described hind axle 85 right-hand member with a bolt to locate, described off hind wheel 7 is that the both sides of core wheel are respectively with 8 inches of wheels of a bearing.

Described electric drive system 9 comprises: wheel hub motor 91, battery 92, controller 93 and master cock 94, described motor 91 is brushless hub electric motors, described motor 91 integrally configures combination with the wheel hub of described front-wheel 6, described battery 92 is lithium cell groups of series connection, described controller 93 is brushless motor controllers, described battery 92 and described controller 93 are all positioned in the pore of described front pipe fitting 11 rectangular tube, described master cock 94 comprises speed control crank 941, power-off brake lever 942 and Energy control lock 943, described Energy control lock is installed on the top of described front pipe fitting 11 rectangular tube, described speed control crank 941 is installed on described right handgrip 53, described power-off brake lever 942 is installed on described right handgrip 53, described Energy control lock 943, described speed control crank 941 and described power-off brake lever 942, be connected with described controller 93 with connector by connection lead, described controller 93 is connected with described battery 92 and described motor 91 with connector by connection lead.

Fig. 7 is the folding rear schematic diagram of V-shaped folding hand of the present invention handle, and Fig. 8 is folding process schematic diagram of the present invention, and Fig. 9 is that the present invention folds complete figure.The present invention has compact structure, the advantage be convenient for carrying.

Claims

1. a portable electric bicycle, comprise side arm, vehicle body, folding connecting rod, front fork, V-shaped folding hand handle, front-wheel, two trailing wheels, man power driving mechanism and electric drive system, it is characterized in that: side arm comprises front pipe fitting, down tube, first engaging lug and the second engaging lug, front pipe fitting is the blank of the aluminium section bar that a rectangular tube is connected with a pipe parallel integral, the bottom of the rectangular tube of front pipe fitting is provided with backing, the top of the rectangular tube of front pipe fitting is provided with cover plate, down tube is a rectangular tube, the first engaging lug is welded in the rear end of down tube, the front end of down tube is welded in the lower end of front pipe fitting pipe, second engaging lug is welded in the top at down tube and front pipe fitting welding place, vehicle body is by front-axle beam pipe, back rest pipe, seat and panel is driven to form, front-axle beam pipe is the front end horizontal welding first pipe circle of a rectangular tube, the second pipe circle is welded in the top of rectangular tube front portion, back rest pipe is that the front end of a rectangular tube connects rectangle pipe clamp, the pore of back rest pipe rectangular tube is corresponding with the external diameter of front-axle beam pipe rectangular tube, the upper side welding of back rest pipe rectangular tube rear end drives seat, drive seat by driving pedestal, fix shaft, two clutch shaft bearings, two second bearings and two the 3rd bearings are formed, driving pedestal is that the sliced pieces of Al squeezing material processes, the front portion of pedestal is driven to have the first hole, the back upper place in pedestal first hole is driven to have the second hole, the rear in pedestal first hole is driven to have the 3rd hole, the back lower place in pedestal first hole is driven to have the 4th hole, reaming is carried out in the left and right sides in the first hole driving pedestal, the left and right sides in the first hole of driving pedestal is made to become the first counterbore inlaying clutch shaft bearing, reaming is carried out in the left and right sides in the 3rd hole driving pedestal, the left and right sides in the 3rd hole of driving pedestal is made to become the second counterbore inlaying the second bearing, reaming is carried out in the left and right sides in the 4th hole driving pedestal, the left and right sides in the 4th hole of driving pedestal is made to become the 3rd counterbore inlaying the 3rd bearing, fix shaft close-fitting is pressed in the second hole driving pedestal, by the upside driving pedestal to be welded in back rest pipe rectangular tube rear end, two clutch shaft bearings are embedded in two first counterbores, two second bearings are embedded in two second counterbores, two the 3rd bearings are embedded in two the 3rd counterbores, the rear end of front-axle beam pipe rectangular tube penetrates in the pore of back rest pipe rectangular tube front end, tighten the band handle bolt on back rest pipe rectangle pipe clamp, back rest pipe is fixedly connected with front-axle beam pipe, back rest pipe is connected panel with on driving seat, first pipe circle pipe of front-axle beam pipe is connected by rotating with the first engaging lug to lock bolt, folding connecting rod comprises front rod, rear linking rod, snap close, little spring and ball-headed bolt, front rod is the plastics rod like parts of below respectively with a cross-perforating at front end and rear portion, there is about one through elongated hole at the rear portion of front rod, snap close and little spring are installed in the elongated hole of front rod, the front perforation of front rod is by being rotationally connected lock bolt and the second engaging lug, the rear perforation of front rod is rotationally connected by the engaging lug of the front end to lock bolt and rear linking rod, rear linking rod is the parts that an engaging lug is respectively welded at the two ends of a rectangular tube, the top of rear linking rod rectangular tube front end is twisted and is connect a ball-headed bolt, the engaging lug of rear linking rod rear end is by being rotationally connected the second pipe circle of lock bolt and front-axle beam pipe, ball-headed bolt above rear linking rod can by the snap close interlocking on front rod, front fork and front pipe fitting are rotationally connected, front-wheel is installed on front fork, V-shaped folding hand handle is quick interlocking formula V-shaped folding hand handle, comprise hand pedestal, left hand handle, right handgrip, left lock-connecting piece, right lock-connecting piece, hand is made up of pedestal pedestal moulding and interior poling, interior poling injection moulding is in pedestal moulding, the right and left of pedestal moulding has groove, the right and left top of pedestal moulding is U-lag, bottom is flat-bottom slot, the both sides of pedestal moulding the right and left flat-bottom slot respectively have one mutual to perforation, hand coordinates pedestal with bowl-type pad by interior poling, hanging bolt and slope nut, be fixedly connected in the front fork tube of front fork, left hand is the parts being connected cast with the right handgrip bottom that is pipe, the plagiocephaly barrel of the left lock-connecting piece of lower weld of left hand handle, left lock-connecting piece is by a plagiocephaly barrel, one round head bolt and a nut are formed, twist in plagiocephaly barrel and connect round head bolt, the stubborn place of connecing of round head bolt and plagiocephaly barrel also twists and connects a nut, the channel of the right lock-connecting piece of lower weld of right handgrip, right lock-connecting piece is by channel, latch hook, to connecting bolt, spring and dowel bolt are formed, the both sides up and down of the flute profile left part of channel have mutual to perforation, a tapped bore is had in the middle part of the flute profile of channel, the upper and lower both sides of channel mutual to perforation by being rotationally connected the collar aperture in the middle part of connecting bolt and latch hook, latch hook is that left end becomes hook-type, there is collar aperture at middle part, the parts of right part band handle, the handle of latch hook there is an elongated hole, spring is positioned between the tapped bore of channel and the elongated hole of latch hook, penetrate with dowel bolt in the elongated hole of latch hook with in spring, be screwed into again in the tapped bore of channel, the cast of left hand handle and the cast of right handgrip, by two to lock bolt, be rotationally connected with respectively pedestal moulding the right and left mutual to perforation, the latch hook of right lock-connecting piece under the action of the spring, hook the round head bolt of left lock-connecting piece and realize interlocking, man power driving mechanism comprises treadle, oval circle, step, crank teeth wheels, secondary gear wheels, hind axle and hind axle gear, crank teeth wheels are by bent axle, prime gear, two flat base bolts and two crankshaft bearinges are formed, bent axle is that the round steel of two right-angle bending and a disk are welded, prime gear is a nylon gear, the boss that the right flank of prime gear has one to correspond to two front bearing endoporus, the boss of prime gear there is the groove corresponding to bent axle round steel, the boss of prime gear penetrates from left to right in the endoporus of two clutch shaft bearings, the left head of bent axle penetrates left in the axis hole of prime gear, again two flat base spiral shells are penetrated in two connecting bores of bent axle disk with in the through hole of prime gear, and be fastened in the nut on the left of prime gear, again two crankshaft bearinges are socketed on two of bent axle, secondary gear wheels are by secondary gear, minor axis and tooth flywheel are formed, minor axis penetrates in the endoporus of two second bearings, secondary gear is fastened to the left head of minor axis, tooth flywheel is fastened to the right head of minor axis, hind axle penetrates from left to right in the endoporus of two the 3rd bearings, hind axle gear is fastened to the right part of hind axle, left rear wheel is fastened to the left head of hind axle, off hind wheel is socketed on the right head of hind axle by the two bearings of core wheel, two treadle turning sets are connected to two of fix shaft, two oval lap weldings are connected to the below at two treadle rear portions, oval circle is the bending Long Circle circle of sheetmetal of flat strip shaped, two oval circles are slidably socketed on two crankshaft bearinges of crank teeth wheels, two steps are fastened to the front end of two treadles, electric drive system comprises motor, battery, controller and master cock, and motor is arranged at front-wheel, and battery and controller are all placed in the rectangular tube of front pipe fitting.

2. portable electric bicycle according to claim 1, it is characterized in that: described down tube is the rectangular tube that oblique angle is in the same way cut at a two, the front end Dou Chong of described down tube upper and lower surface has arc opening, the first described engaging lug and the second described engaging lug, all that the two sides of flute profile have a mutual flute profile blanked part to perforation, described front pipe fitting, the first described engaging lug and the second described engaging lug are all that the two sides of flute profile have a mutual flute profile blanked part to perforation.

3. portable electric bicycle according to claim 1, it is characterized in that: the first described pipe circle and the second described pipe circle, it is the blank of thick-walled tube, described rectangle pipe clamp one metal flat bar strikes out the housing of " song " font of putting upside down, the both sides of described rectangle pipe clamp bottom have one mutual to perforation, what described rectangle pipe clamp was mutual welds a nut to the right side of perforation, what described rectangle pipe clamp was mutual penetrates a band handle bolt to the left side of perforation, and band handle bolt is fastened in the mutual nut to perforation right side of described rectangle pipe clamp.

4. portable electric bicycle according to claim 1, it is characterized in that: described fix shaft is the smaller metal circular shaft in bigger two, middle part, a tapped bore is respectively with at the center of described fix shaft two ends end points, rear connecting piece is the bar shaped punching in Ge Daiyi hole, two, described clutch shaft bearing is the deep groove ball bearing of 6810 models, the second described bearing is the deep groove ball bearing of 6902 models, and the 3rd described bearing is the deep groove ball bearing of 6902 models.

5. portable electric bicycle according to claim 1, it is characterized in that: the front connecting piece of the described panel of a connection is respectively welded in the left and right of the top of described back rest pipe rectangular tube front portion, front connecting piece has a hole punching at a headband in outside, the back upper place of described driving pedestal is also fixedly connected with the rear connecting piece of the described panel of a connection, front connecting piece on described back rest pipe, described panel is bolted with the rear connecting piece on described driving seat, described panel is that plastics are injection molded, the back upper place of described panel is also connected with locator card, head tube before locator card can fasten after car beam is folding.

6. portable electric bicycle according to claim 1, it is characterized in that: the bottom of the elongated hole of described front rod is connected with the depression of flute profile, described snap close is by push button, locking plate and tie bolt are formed, push button is the Plastic Parts that the front portion of oval sheet bottom surface has a square-tube-shaped outstanding, the square-tube-shaped that push button is given prominence to puts into the rear end of the elongated hole of front rod downwards, again little spring is put into from bottom to top the elongated hole of described front rod, and the front end in the elongated hole of the square-tube-shaped that two of little spring is given prominence to against push button and described front rod, again locking plate is combined on the outstanding square-tube-shaped of push button, penetrate in the hole of locking plate with tie bolt, and be fastened to push button and give prominence in the pore of square-tube-shaped, little spring is made to be positioned the front portion of locking plate, in the front portion of push button and the elongated hole of front rod, locking plate is slided in the groove-shaped depression of the bottom of the elongated hole of described front rod.

7. portable electric bicycle according to claim 1, it is characterized in that: described interior poling comprises pipe and two bolts, the outer tube diameter gear hobbing on described interior poling pipe top, the lower end of described interior poling pipe is with angle, a bolt is respectively welded in the both sides on described interior poling pipe top, described pedestal moulding becomes upper base long, to go to the bottom short isosceles trapezoid shape, the right and left of described pedestal moulding has groove, the groove on the described pedestal moulding left side is opening groove left, groove on the right of described pedestal moulding is opening groove to the right, the U-lag of the right and left of described pedestal moulding with described left hand corresponding with the caliber of described right handgrip.

8. portable electric bicycle according to claim 1, it is characterized in that: described plagiocephaly barrel is that an of barrel makes plagiocephaly, the head of described plagiocephaly barrel and the lower weld of described left hand handle, described channel is opening flute profile backward, the right head of described channel is plagiocephaly, the right head of described channel and the lower weld of described right handgrip, mutual interlocking between described right lock-connecting piece and described left lock-connecting piece, the left hand described in realization, described right handgrip and described hand interfixing between pedestal.

9. portable electric bicycle according to claim 1, it is characterized in that: described treadle is the short pipe of each vertical welding in front and back end one of a flat pipe, the pore tapping of the short pipe in described treadle front end becomes tapped bore, the rear portion of described treadle is pressed into horizontal wavy bending, the spacing of treadle front portion described in two is reduced, described treadle divides two, left and right, treadle described in two symmetrically shape coordinates, the rear pipe pore of treadle described in two and two of described fix shaft rotate and are socketed, then in the tapped bore at described fix shaft two ends, each use one bolt coordinates stubborn the connecing of a pad wherein to locate, described step is the pedal of bicycle use, the round steel of described bent axle two right-angle bending, a tapped bore is respectively had at the end points center at two ends, the disk of described bent axle there are an axis hole and two connecting bores, the right head of two right-angle bending round steel of described bent axle penetrates from left to right in the axis hole of described bent axle disk, then the middle part of two right-angle bending round steel of described bent axle is welded with the middle part of described bent axle disk left surface, Portable standing driving according to claim 1, it is characterized in that: described prime gear is the nylon gear of one or two mould 43 tooth, described prime gear there is the axis hole that runs through left and right side, the left surface of described prime gear has two hexagonal counterbores, two hexagonal counterbores are connected with through hole to the right, a nut is respectively inlayed in two hexagonal counterbores of described prime gear, described crankshaft bearing is the deep groove ball bearing of 6001 models, described minor axis is the axle of two with forward screw thread, described secondary gear is the aluminium extruded type gear of two mould 13 teeth, forward screw thread has been attacked in the axle center hole of described secondary gear, described secondary gear coordinates with described prime gears meshing, described tooth flywheel is the tooth flywheel of two mould 26 teeth, forward screw thread is had in the axle center hole of described tooth flywheel, described hind axle is left head and the right part wheel shaft with forward screw thread, there is a tapped bore at the center of described hind axle right-hand member end points, described hind axle gear is the aluminium extruded type gear of two mould 13 teeth, forward screw thread has been attacked in the axle center hole of described hind axle gear, described hind axle gear and described tooth flywheel engagement fit.

10. portable electric bicycle according to claim 1, it is characterized in that: described motor is brushless hub electric motor, the wheel hub of described motor and described front-wheel integrally configures combination, described battery is the lithium cell group of series connection, described controller is brushless motor controller, described master cock comprises speed control crank, power-off brake lever and Energy control lock, described Energy control lock is installed on the top of described front pipe fitting rectangular tube, described speed control crank is installed on described right handgrip, described power-off brake lever is installed on described right handgrip, described Energy control lock, described speed control crank and described power-off brake lever, be connected with described controller with connector by connection lead, described controller is connected with described battery and described motor with connector by connection lead.